Matter Review

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Across
  1. 3. Compound represented by the letters "H2O."
  2. 6. Element represented by the letter "H."
  3. 8. Everything is made up of this and it exists as solid, liquid, or gas.
  4. 9. The amount of matter in a substance.
  5. 11. Element represented by the letter "O."
  6. 12. Any combination of elements (can be the same, like O3 or different like H2O).
  7. 15. Element represented by the letters "He."
  8. 16. Element represented by the letter "C."
Down
  1. 1. Compound represented by the formula "NaCl."
  2. 2. Element represented by the letter "N."
  3. 4. Element represented by the letters "Cl."
  4. 5. Element represented by the letter "K."
  5. 7. The amount of space something takes up.
  6. 10. Element represented by the letters "Na."
  7. 13. Two or more unlike elements joined together.
  8. 14. Over 100 of these exist on Earth. They are constructed of like atoms.
  9. 17. The smallest particle of matter. These make up elements.